Nanjing Medical University - Department of Gastroenterology, Zhejiang University - Department of Psychology and Behavioral Sciences, Nanjing Medical University - Department of Gastroenterology, Nanjing Medical University - Department of Gastroenterology, Nanjing Medical University - Department of Gastroenterology, Nanjing Medical University - Department of Gastroenterology, Nanjing University - Department of Radiology, Nanjing University - Department of Radiology, Nanjing Medical University - Department of Gastroenterology, Nanjing Medical University - Department of Gastroenterology, Nanjing Medical University - Department of Gastroenterology, Nanjing Medical University - Department of Gastroenterology, Zhejiang University - Department of Psychology and Behavioral Sciences, Nanjing University - The Affiliated Drum Tower Hospital, Nanjing University - State Key Laboratory of Pharmaceutical Biotechnology and Nanjing Medical University - Department of Gastroenterology